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Fix crash in resolver on memory allocation failure (bug 23005)
author
Andreas Schwab
<schwab@suse.de>
Tue, 27 Mar 2018 10:16:11 +0000
(12:16 +0200)
committer
Andreas Schwab
<schwab@suse.de>
Tue, 27 Mar 2018 15:26:32 +0000
(17:26 +0200)
ChangeLog
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resolv/res_send.c
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diff --git
a/ChangeLog
b/ChangeLog
index
111623d
..
77751d6
100644
(file)
--- a/
ChangeLog
+++ b/
ChangeLog
@@
-1,3
+1,9
@@
+2018-03-27 Andreas Schwab <schwab@suse.de>
+
+ [BZ #23005]
+ * resolv/res_send.c (__res_context_send): Return ENOMEM if
+ allocation of private copy of nsaddr_list fails.
+
2018-03-26 Joseph Myers <joseph@codesourcery.com>
[BZ #16552]
diff --git
a/resolv/res_send.c
b/resolv/res_send.c
index
dde0425
..
7debf14
100644
(file)
--- a/
resolv/res_send.c
+++ b/
resolv/res_send.c
@@
-471,6
+471,11
@@
__res_context_send (struct resolv_context *ctx,
'\0',
sizeof (struct sockaddr_in6)
- sizeof (struct sockaddr_in));
+ else
+ {
+ __set_errno (ENOMEM);
+ return -1;
+ }
}
EXT(statp).nscount = statp->nscount;
}